She smoked and chatted through the lunch as though nothing unordinary had happened over the weekend, which of course was not the case.

Tallulah and her sisters were in New York when the tragedy at their Los Angeles, California, home occurred at 5.30am.

Demi was seen the following day taking Scout our shopping for her birthday.

Keeping an eye out: Demi's daughter kept her eyes on the oncoming traffic while chatting on her phone

Shocking: Tallulah put on a shocking display when she hiked up her dress' hem and exposed her bare derriere during lunch with sister Scout and their boyfriends in NYC on Wednesday

Edenilson Steven Valle drowned during a party held at the home by the star's assistant; he went missing for around 15 minutes before friends found him in the pool.

The student's friends told Dailymail.com that Edenilson did not drink despite suggestion that drugs or alcohol may have been a factor.

It is understood the 21-year-old could not swim but it is not known how he came to be in the pool of the $7 million Beverly Hills property.

'Gone but never forgotten': Friends of Edenilson Steven Valle have posted tributes to the 21-year-old student who was found dead and floating in the pool at Demi Moore's Beverly Hills home early Sunday morning

Tragedy: Demi Moore said that she was 'in absolute shock' after learning of the young student's drowning death during a party thrown by her assistant

Demi in a statement said she was shocked by the young man's death and her heart went out to his family.

'I am in absolute shock. I was out of the country traveling to meet my daughters for a birthday celebration when I got the devastating news,' she said.

'The loss of a child is an unthinkable tragedy and my heart goes out to this young man’s family and friends. I ask that you please respect the privacy of all concerned during this sensitive time.'

The new normal? Tallulah has been spotted out and about in NYC a few times since the drowning incident